Depending on the processed material from each drill must be properly sharpened. To verify the correct angle will help a specially prepared square plate of copper or aluminium with a thickness of 1 mm.
To become operational protractor enough to cut it cut, as shown in the picture: a large cutout at an angle of 120 degrees, the other half is 60 degrees and the surviving corner of a square is 90.
Recommend to read
ANTI-THEFT – IN 5 MINUTES
After reading No. 1 "M-K" for the year 1989 description electronic switch-off "weight" of the car, decided to use it as a simple anti-theft tool. However, the replacement of toggle on...
“ARCTIC WOLF” IN THE SNOW
In recent years, Amateur designers snowmobiles somehow forgotten about the ski-tracked vehicle whose design is thoroughly worked out by dozens of manufacturers in hundreds of models, and...
